1 /* sleep - delay for a specified amount of time.
2 Copyright (C) 1984, 1991 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
19 #if defined (CONFIG_BROKETS)
20 /* We use <config.h> instead of "config.h" so that a compilation
21 using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
22 (which it would do because it found this file in $srcdir). */
30 #include <sys/types.h>
38 static long argdecode ();
40 /* The name by which this program was run. */
43 /* If non-zero, display usage information and exit. */
46 /* If non-zero, print the version on standard output and exit. */
47 static int show_version;
49 static struct option const long_options[] =
51 {"help", no_argument, &show_help, 1},
52 {"version", no_argument, &show_version, 1},
60 fprintf (status == 0 ? stdout : stderr, "\
61 Usage: %s [OPTION]... NUMBER[SUFFIX]\n\
66 fprintf (stderr, "Try `%s --help' for more information.\n",
72 --help display this help and exit\n\
73 --version output version information and exit\n\
75 SUFFIX may be s for seconds, m for minutes, h for hours or d for days.\n\
90 program_name = argv[0];
92 while ((c = getopt_long (argc, argv, "", long_options, (int *) 0)) != EOF)
106 printf ("%s\n", version_string);
115 fprintf (stderr, "Usage: %s number[smhd]...\n", argv[0]);
119 for (i = 1; i < argc; i++)
120 seconds += argdecode (argv[i]);
132 register char *p = s;
136 while ((c = *p++) >= '0' && c <= '9')
137 value = value * 10 + c - '0';
150 value *= 60 * 60 * 24;
157 error (1, 0, "invalid time interval `%s'", s);